291207228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{35221}}^1$

素因数の和:35294

約数の個数: 48

約数和(自身を含む): 745579296

約数和(自身を除く): 454372068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 4134, 8268, 35221, 70442, 105663, 140884, 211326, 422652, 457873, 915746, 1373619, 1831492, 1866713, 2747238, 3733426, 5494476, 5600139, 7466852, 11200278, 22400556, 24267269, 48534538, 72801807, 97069076, 145603614, 291207228]

約数ペア:

[(1, 291207228), (2, 145603614), (3, 97069076), (4, 72801807), (6, 48534538), (12, 24267269), (13, 22400556), (26, 11200278), (39, 7466852), (52, 5600139), (53, 5494476), (78, 3733426), (106, 2747238), (156, 1866713), (159, 1831492), (212, 1373619), (318, 915746), (636, 457873), (689, 422652), (1378, 211326), (2067, 140884), (2756, 105663), (4134, 70442), (8268, 35221)]